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主題: How to make a sky ruler for stargazing 作者: peter 於 2022-09-19 13:14:03 How to make a sky ruler for stargazing
https://www.skyatnightmagazine.com/advice/make-a-sky-ruler/ VIDEO https://www.youtube.com/watch?v=N108IA191rk (https://images.immediate.co.uk/production/volatile/sites/25/2019/04/MAIN_0-46789e8.jpg?webp=true&quality=90&resize=620%2C413) |